72 Phaser 5400 Laser Printer Service GuideRAP 15 Error Code E4-0: Exit Jam OpenRear and Top CoverThere is a paper jam at the Exit Sensor.Table 35 Error Code E4: Exit Jam Troubleshooting ProcedureStep Actions and Questions Yes No1 PAPER PATH INSPECTION AND TEST PRINTS1. Inspect the paper path for paper, debris or foreignmaterial causing an obstruction.2. Enter Diagnostics mode.3. From the Main Menu, select Test Print / Print Pattern /press [4] to start printing test pages, [0] to stop.4. Run 25 test prints from Tray 1.When the E4 Exit Jam error code is displayed, isthere paper on the Exit Sensor?Go toStep 3.Go toStep 2.2 EXIT SENSOR TEST1. Enter Diagnostics mode.2. From the Main Menu, select Component Test / SensorInput / press [4] to start, [0] to stop.3. Actuate and deactuate the Exit Sensor whileobserving the LCD.Does the LCD counter increment each time youpress and release the actuator?Replace thePrint EngineControllerBoard[RRP 8.5,page 310].Go toRAP 67,page 170.3 Does the printer have the Duplex optioninstalled?Go toStep 8.Go toStep 4.4 REAR COVER EXIT & PINCH ROLLERS CHECK1. Enter Diagnostics mode.2. From the Main Menu, select Component Test / MainMotor / press [4] to start motor, [0] to stop.Do the Exit Rollers and Pinch Rollers on the RearCover rotate smoothly?Go toStep 6.Go toStep 5.5 EXIT & FUSER DRIVE GEAR CHECK1. Remove the Left Side Cover [RRP 1.1, page 250].2. Enter Diagnostics mode.3. From the Main Menu, select Component Test / MainMotor / press [4] to start motor, [0] to stop.4. Observe the Exit and Fuser Drive Gears.Do the gears rotate smoothly?ReplaceRear CoverAssembly[RRP 1.9,page 258.Replace theFuserAssembly[RRP 5.1,page 288].6 RERUN TEST PRINTS1. Enter Diagnostics mode.2. From the Main Menu, select Test Print / Print Pattern /press [4] to start test pages, [0] to stop.Does the Error Code reappear?Go toStep 7.Problemsolved.7 FUSER INSPECTIONInspect the Fuser Assembly for obstructions orcontamination.Is the Fuser Assembly clean and fee ofobstructions?Check theExitAssembly.Clean orreplace asnecessary.Clean orreplace theFuserAssembly[RRP 5.1,page 288].